Divide the 12 balls into 4 groups of 3's.
$ [, e; D# c" O; |4 [: D公仔箱論壇Weigh group 1 & 2
7 j7 ^# t$ D1 Sthen weigh group 2 & 3
V2 l( D3 R. R+ A. k; }0 ?" cIf the results are Equal & Equal, it means the ball with the different weight is in group 4.tvb now,tvbnow,bttvb. j& Z% o. q. x! Z( d1 G% n9 ?
If the results are Equal & Unequal, it means the ball is in group 3.公仔箱論壇1 A% q/ s# r$ B& w
If the results are Unequal & Equal, it means the ball is in group 1.TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。* O( c3 v& H* M! h# x, ^! I
If the results are Unequal & Unequal, it means the ball is in group 2.tvb now,tvbnow,bttvb+ V& a" v) _. S' P( ~# s; K6 x& t
0 s/ r8 a, H* Z$ k% k3 }5 WOnce you determine the group that contains the ball.
0 M: ?+ ?7 a( I }Simply weigh two of the balls |